One of the most liberating secular proverbs I have ever read is this: "For every strength there is a weakness, and for every weakness, a strength." While that saying has many, many possible applications, I first encountered it in that form in the context of studies of human personality and of how human character relates to it. Should it really surprise anyone that the Bible says much about how the two relate to each other?
Full text here - https://www.tomorrowsworld.org/commentary/character-and-personality